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Reworked Error message in newParam() in services.go #1894

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2 changes: 1 addition & 1 deletion internal/descriptor/services.go
Original file line number Diff line number Diff line change
Expand Up @@ -248,7 +248,7 @@ func (r *Registry) newParam(meth *Method, path string) (Parameter, error) {
if IsWellKnownType(*target.TypeName) {
glog.V(2).Infoln("found well known aggregate type:", target)
} else {
return Parameter{}, fmt.Errorf("aggregate type %s in parameter of %s.%s: %s", target.Type, meth.Service.GetName(), meth.GetName(), path)
return Parameter{}, fmt.Errorf("%s.%s: %s is a protobuf message type. Protobuf message types cannot be used as path parameters, use a scalar value type (such as string) instead", meth.Service.GetName(), meth.GetName(), path)
}
}
return Parameter{
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